@book{KaufmannBuechiBraun2007, author = {Bruno Kaufmann and Rolf B{\"u}chi and Nadja Braun}, title = {Guidebook to Direct Democracy in Switzerland and beyond}, editor = {Paul Carline}, edition = {2. ed.}, publisher = {IRI Europe}, address = {Marburg}, isbn = {978-3-00-019057-5}, pages = {335}, year = {2007}, abstract = {.}, language = {en} }